
Description: FusionReactor is a performance monitoring and profiling tool for Java applications. It provides detailed visibility into the real-time performance and behavior of Java web and server applications, helping developers identify and fix performance issues.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: RapidSpike is a load and performance testing tool for web applications. It allows users to simulate hundreds or thousands of concurrent users to test the performance, reliability, and scalability of web apps under heavy load.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API